package Thread;

/**
 * Created with IntelliJ IDEA.
 * Description: 线程休眠测试
 */
public class ThreadDemo13 {
    public static void main(String[] args) throws InterruptedException {
        long beg = System.currentTimeMillis();
        Thread.sleep(3000);
        long end = System.currentTimeMillis();
        System.out.println(end - beg);
    }
}
